<template>
<button class="as-button" :class="[`as-button-${type}`, {
  'is-plain':plain,
  'is-round':round,
  'is-circle':circle,
  'is-disabled':disabled
}]"
@click="handleClick"
  :disabled="disabled"
  >
 <i v-if="icon" :class="`as-icon-${icon}`"></i>
  <!-- 如果没传入文本插槽，则不显示span内容 -->
   <span v-if="$slots.default"><slot></slot></span>
</button>
</template>

<script>

export default {
  name: 'AsButton',
  // 封装一个通用的组件，会对props做一个约束，props进行效验
  props: {
    type: {
    // 数据类型：字符串
      type: String,
      default: 'default'
    },
    plain: {
      type: Boolean,
      default: false
    },
    round: {
      type: Boolean,
      default: false
    },
    circle: {
      type: Boolean,
      default: false
    },
    icon: {
      type: String,
      default: ''
    },
    disabled: {
      type: Boolean,
      default: false
    }
  },
  created () {
    console.log(this.type)
    // 显示所有插槽
    console.log(this.$slots)
  },
  methods: {
    // 定义一个点击事件，这个点击事件的作用是调用父组件的点击事件，并且回调
    handleClick (e) {
      this.$emit('click', e)
    }
  }
}
</script>

<style scoped lang="scss">
.as-button {
display: inline-block;
line-height: 1;
white-space: nowrap;
cursor: pointer;
background :#fff;
border: 1px solid #dcdfe6;
color: #606266;
-webkit-appearance: none;text-align: center;
box-sizing: border-box;outline: none;
margin: 0;transition:0.1s;
font-weight: 500;
//禁止元素的文字被选中
-mOz-user-select: none;
-webkit-user-select: none;
-ms-user-select : none;
padding: 12px 20px;
font-size: 14px;
border-radius: 4px;
&:hover,
&:focus {
color: #409eff;
border-color: #c6e2ff;
background-color: #ecf5ff;
}
}

.as-button-primary{
  color:#fff;
  background-color: #409eff;
  border-color: #409eff;
  &:hover,
  &:focus{
    background: #66b1ff;
    background-color: #66b1ff;
    color: #fff;
    }
  }
  .as-button-success{
  color:#fff;
  background-color: #67c23a;
  border-color: #67c23a;
  &:hover,
  &:focus{
    background: #85ce61;
    background-color: #85ce61;
    color: #fff;
    }
  }
  .as-button-info{
  color:#fff;
  background-color: #909399;
  border-color: #909399;
  &:hover,
  &:focus{
    background: #a6a9ad;
    background-color: #a6a9ad;
    color: #fff;
    }
  }
  .as-button-warning{
  color:#fff;
  background-color: #e6a23c;
  border-color: #e6a23c;
  &:hover,
  &:focus{
    background: #ebb563;
    background-color: #ebb563;
    color: #fff;
    }
  }
  .as-button-danger{
  color:#fff;
  background-color: #f56c6c;
  border-color: #f56c6c;
  &:hover,
  &:focus{
    background: #f78989;
    background-color: #f78989;
    color: #fff;
    }
  }

  // 朴素按钮样式
.as-button.is-plain{
  &:hover,
  &:focus{
    background: #fff;
    border-color: #489eff;
    color: #409eff;
  }
}
.as-button-primary.is-plain{
  color: #409eff;
  background: #ecf5ff;
  &:hover,
  &:focus{
    background: #409eff;
    border-color: #409eff;
    color: #fff;
  }
}
.as-button-success.is-plain{
  color: #67c23a;
  background: #c2e7b0;
  &:hover,
  &:focus{
    background: #67c23a;
    border-color: #67c23a;
    color: #fff;
  }
}
.as-button-info.is-plain{
  color: #909399;
  background: #d3d4d6;
  &:hover,
  &:focus{
    background: #909399;
    border-color: #909399;
    color: #fff;
  }
}
.as-button-warning.is-plain{
  color: #e6a23c;
  background: #f5dab1;
  &:hover,
  &:focus{
    background: #e6a23c;
    border-color: #e6a23c;
    color: #fff;
  }
}
.as-button-danger.is-plain{
  color: #f56c6c;
  background: #fbc4c4;
  &:hover,
  &:focus{
    background: #f56c6c;
    border-color: #f56c6c;
    color: #fff;
  }
}

// round属性
.as-button.is-round{
  border-radius: 20px;
  padding: 12px 23px;
}
// circle属性
.as-button.is-circle{
  border-radius: 50%;
  padding: 12px;
}
// icon配套样式
.as-button [class*=one-icon-]+span{
  margin-left: 5px;
}
// disabled属性
.as-button.is-disabled{
   cursor: no-drop;
}
</style>
